Garmin NUVI is travelling GPS with in-built maps and software designed by Garmin. These in-built maps require update after certain time interval. Garmin NUVI update is the name of process which needs to follow in order to update NUVI. NUVI provide you traffic alerts and short route for your destination. After updating NUVI you will get new version of maps include real time traffic information. You can update NUVI with the help of application software designed by Garmin.